/*
 * Copyright 2009 Jiwei Xu (http://www.xujiwei.com)
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

provide("Tools.DrawTool");

DrawTool = Class({
    "static" : {
        tools : [],

        curTool : null,

        SetCurTool : function(type) {
            this.curTool = type;
        },

        GetCurTool : function(type) {
            return this.curTool;
        },

        Add : function(tool) {
            this.tools.push(tool);
        },

        FindTool : function(type) {
            for (var i = 0; i < this.tools.length; ++i) {
                if (this.tools[i].constructor == type) {
                    return this.tools[i];
                }
            }

            return null;
        },

        WithTool : function(tool, func) {
            var preTool = this.curTool;
            this.curTool = tool;
            func();
            this.curTool = preTool;
        }
    }
});